/*页面公共属性设置*/
* {
    padding: 0;
    margin: 0;
    list-style: none;
}

body {
    background: #ABCDEF
}

/*页面顶部属性设置*/
#header {
    width: 900px;
    height: 80px;
    font-size: 40px;
    margin: 0 auto;
    text-align: center;
    line-height: 80px
}

/*页面中间部分(画图板)属性*/
#content {
    width: 880px;
    height: 550px;
    background: gray;
    margin: 0 auto;
    padding: 10px
}

#tool {
    height: 150px;
    text-align: center
}

#tool li {
    float: left;
    width: 175px;
    height: 140px;
    background: #ccc;
    border-right: 1px solid red
}

#image {
    text-align: left;
    padding: 20px
}

#image li {
    height: 30px;
    width: 100px;
    list-style: square inside;
    border: 0
}

#image li button {
    background: gray;
    border: 1px solid #000
}

#image li button:hover {
    background: gray;
    border: 1px solid #FFF
}

#means,
#shape {
    padding: 20px
}

#means li,
#shape li {
    height: 20px;
    width: 40px;
    border: 1px solid #000;
    margin-bottom: 10px
}

#means li:hover,
#shape li:hover {
    height: 20px;
    width: 40px;
    border: 1px solid #fff;
    margin-bottom: 10px
}

#means img,
#shape img {
    height: 20px;
    width: 20px
}

#size {
    padding: 10px
}

#size li {
    height: 20px;
    width: 120px;
    border: 1px solid #ccc
}

#size li:hover {
    height: 20px;
    width: 120px;
    border: 1px solid #FFF
}

#color {
    padding: 25px
}

#color li {
    width: 20px;
    height: 20px;
    border: 1px solid #000;
    margin-bottom: 10px;
    margin-right: 3px
}

#color li:hover {
    width: 20px;
    height: 20px;
    border: 1px solid #fff;
    margin-bottom: 10px;
    margin-right: 3px
}

#color #red {
    background: red
}

#color #green {
    background: green
}

#color #blue {
    background: blue
}

#color #yellow {
    background: yellow
}

#color #white {
    background: white
}

#color #black {
    background: black
}

#color #pink {
    background: pink
}

#color #purple {
    background: purple
}

#color #cyan {
    background: cyan
}

#color #orange {
    background: orange
}

#canvas {
    background: white
}

#canvas:hover {
    cursor: crosshair
}

/*页面底部属性设置*/
#footer {
    width: 900px;
    height: 30px;
    margin: 0 auto;
    text-align: center
}